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I have this as configuration of my Express server app.use(app.router); app.use(express.cookieParser()); app.use( ... I call it before the routes. Any clue? Question&Answers:os...

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r - Add ID column by group

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android - Send Email Intent

Intent intent = new Intent(Intent.ACTION_SEND); intent.setType("text/html"); intent.putExtra(Intent.EXTRA_EMAIL, ... Orkut etc. What code produces such dialog? Question&Answers:os...

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linux - Argument list too long error for rm, cp, mv commands

I have several hundred PDFs under a directory in UNIX. The names of the PDFs are really long (approx. 60 chars). ... ? If yes, how to solve for these commands? Question&Answers:os...

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c# - Do event handlers stop garbage collection from occurring?

If I have the following code: MyClass pClass = new MyClass(); pClass.MyEvent += MyFunction; pClass = null; ... ; pClass.MyEvent -= MyFunction; pClass = null; Question&Answers:os...

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c++ - Why should I not include cpp files and instead use a header?

So I finished my first C++ programming assignment and received my grade. But according to the grading, I lost marks for ... did I do wrong, and why is it bad? Question&Answers:os...

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html - How to remove margin space around body or clear default css styles

I am admittedly a beginner, but I also did a fair amount of searching before posting this. There ... #header_div. Any information would be greatly appreciated. Question&Answers:os...

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javascript - How do I define global variables in CoffeeScript?

On Coffeescript.org: bawbag = (x, y) -> z = (x * y) bawbag(5, 10) would compile to: var bawbag; ... . What does 'attach them as properties on window' mean? Question&Answers:os...

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Android: Vertical ViewPager

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syntax - Is there a goto statement in Java?

I'm confused about this. Most of us have been told that there isn't any goto statement in Java. But I found ... then why was it included in Java as a keyword? Question&Answers:os...

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sql server - nvarchar concatenation / index / nvarchar(max) inexplicable behavior

I today ran into a really weird problem in SQL Server (both 2008R2 and 2012). I'm trying to build up a string using ... c, @d as d, @e as e, @f as f Question&Answers:os...

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In Javascript, how to conditionally add a member to an object?

I would like to create an object with a member added conditionally. The simple approach is: var a = {}; if ( ... ), g: (conditionG? 5 : undefined), }; Question&Answers:os...

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python - Understanding the map function

map(function, iterable, ...) Apply function to every item of iterable and return a list of the results. If ... also hard to understand. Too much fancy fluff. Question&Answers:os...

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Why are exclamation marks used in Ruby methods?

In Ruby some methods have a question mark (?) that ask a question like include? that ask if the object in question ... ) where others don't? What does it mean? Question&Answers:os...

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javascript - What happened to console.log in IE8?

According to this post it was in the beta, but it's not in the release? Question&Answers:os...

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c - Should I use #include in headers?

Is it necessary to #include some file, if inside a header (*.h), types defined in this file are used? ... between the #ifndef and #define or after the #define? Question&Answers:os...

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Why must a short be converted to an int before arithmetic operations in C and C++?

From the answers I got from this question, it appears that C++ inherited this requirement for conversion of short into int ... + t ; x will have type of int. Question&Answers:os...

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python - Why does id({}) == id({}) and id([]) == id([]) in CPython?

Why does CPython (no clue about other Python implementations) have the following behavior? tuple1 = () tuple2 = () ... id(x) 4330909912 [4] id([]) 4334243440 Question&Answers:os...

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Filter LogCat to get only the messages from My Application in Android?

I observed that when i use Logcat with Eclipse with ADT for Android, I get messages from many other ... show only messages from my own application only. Question&Answers:os...

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java - Difference between Static methods and Instance methods

I was just reading over the text given to me in my textbook and I'm not really sure I understand what ... main simply references the method name, "factorial". Question&Answers:os...

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c++ - Concise explanation of reference collapsing rules requested: (1) A& & -> A& , (2) A& && -> A& , (3) A&& & -> A& , and (4) A&& && -> A&&

The following link provides the 4 forms of reference collapsing (if I'm correct that these are the only ... in conjunction with the reference-collapsing rules. Question&Answers:os...

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The program doesn't stop on scanf("%c", &ch) line, why?

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MongoDB: Is it possible to make a case-insensitive query?

Example: > db.stuff.save({"foo":"bar"}); > db.stuff.find({"foo":"bar"}).count(); 1 > db.stuff.find({"foo":"BAR"}).count(); 0 Question&Answers:os...

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xml - Normalization in DOM parsing with java - how does it work?

I saw the line below in code for a DOM parser at this tutorial. doc.getDocumentElement().normalize(); Why do we ... needed? What happens if we don't normalize ? Question&Answers:os...

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asp.net - Disable browser's back button

How to disable browser's BACK Button (across browsers)? Question&Answers:os...

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Characters allowed in a URL

Does anyone know the full list of characters that can be used within a GET without being encoded? At the moment ... that will have a big impact on my question) Question&Answers:os...

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How do I use regex in a SQLite query?

I'd like to use a regular expression in sqlite, but I don't know how. My table has got a column with ... that string. Does anyone know how to solve this? Question&Answers:os...

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How do I change the number of open files limit in Linux?

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